131770790 has 8 divisors (see below), whose sum is σ = 237187440. Its totient is φ = 52708312.

The previous prime is 131770789. The next prime is 131770811. The reversal of 131770790 is 97077131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 131770790.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6588530 + ... + 6588549.

It is an arithmetic number, because the mean of its divisors is an integer number (29648430).

Almost surely, 2^131770790 is an apocalyptic number.

131770790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131770790 is a deficient number, since it is larger than the sum of its proper divisors (105416650).

131770790 is a wasteful number, since it uses less digits than its factorization.

131770790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13177086.

The product of its (nonzero) digits is 9261, while the sum is 35.

The square root of 131770790 is about 11479.1458741493. The cubic root of 131770790 is about 508.8694552144.

The spelling of 131770790 in words is "one hundred thirty-one million, seven hundred seventy thousand, seven hundred ninety".